You want to make change for $ n $ cents. Assuming that you have infinite supply of coins of 1, 5, 10 and / or 25 cents coins respectively, find the minimum number of coins you need.

Constraints

• $1 \ le n \ le 10 ^ 9$

Input

$ n $

The integer $ n $ is given in a line.

output

Print the minimum number of coins you need in a line.

Examples

Input

100

Output

4

Input

54321

Output

2175

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